15415540680 has 64 divisors (see below), whose sum is σ = 46263680640. Its totient is φ = 4109294592.

The previous prime is 15415540663. The next prime is 15415540691. The reversal of 15415540680 is 8604551451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324192 + ... + 368688.

It is an arithmetic number, because the mean of its divisors is an integer number (722870010).

Almost surely, 2^15415540680 is an apocalyptic number.

15415540680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15415540680 is an abundant number, since it is smaller than the sum of its proper divisors (30848139960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15415540680 is a wasteful number, since it uses less digits than its factorization.

15415540680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47398 (or 47394 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 15415540680 in words is "fifteen billion, four hundred fifteen million, five hundred forty thousand, six hundred eighty".